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HK: Physik der Hadronen und Kerne
HK 29: Theory IV
HK 29.5: Vortrag
Mittwoch, 13. März 2002, 15:15–15:30, A
A relativistic point-coupling model in Hartree- and Hartree-Fock-approximation — •Thomas Bürvenich1, T. Cornelius1, A. Sulaksono1, S. Schramm2, J. A. Maruhn1, P.-G. Reinhard3, D. G. Madland4, and W. Greiner1 — 1Institut für Theoretische Physik, Universität Frankfurt am Main — 2Nuclear Theory Group, Argonne National Laboratory — 3Institut für Theoretische Physik II, Universität Erlangen–Nürnberg — 4T-16 Division, Los Alamos National Laboratory
Relativistic point-coupling models (RMF-PC) are powerful tools for typical nuclear structure applications [1] with a quality comparable to other mean-field approaches like the relativistic mean-field model with meson exchange (RMF-FR) and the Skyrme-Hartree-Fock (SHF) model. A comparison of the predictions of these models for a variety of observables makes it possible to study the influence of the different ingredients of the models on their predictive power. Especially the role of finite range and relativistic framework can be investigated separately. The structure of the RMF-PC model allows Hartree-Fock calculations which are hardly more expensive than calculations on the Hartree level. We discuss first results and show perspectives for the near future. Supported by BMBF, GSI, DFG.
[1] T. Bürvenich, D. G. Madland, J. A. Maruhn, und P.-G. Reinhard, nucl-th/0111012 (2001), accepted for publication in Phys. Rev. C